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"Molar Mass" can be calculated using the formula: Molar mass = Molar Mass can be calculated using the formula: Molar mass = . .

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What is the pressure of 760 mm Hg when expressed in units of in Hg?


A) 29.92 in Hg
B) 101,325 in Hg
C) 760 in Hg
D) 1 in Hg
E) none of the above

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What is the pressure of a 3.00 L gas vessel that has 18.0 grams of helium at What is the pressure of a 3.00 L gas vessel that has 18.0 grams of helium at ? (R= 0.0821 L atm/ mol K) A) 147 atm B) 36.7 atm C) 32.6 atm D) 1.81 atm E) none of the above ? (R= 0.0821 L atm/ mol K)


A) 147 atm
B) 36.7 atm
C) 32.6 atm
D) 1.81 atm
E) none of the above

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A sample of helium gas initially at 37.0°C,785 torr and A sample of helium gas initially at 37.0°C,785 torr and Was heated to 58.0°C while the volume expanded to .What is the final pressure in atm? A) 517 B) 0.681 C) 1.79 D) 3.21 E) none of the above Was heated to 58.0°C while the volume expanded to A sample of helium gas initially at 37.0°C,785 torr and Was heated to 58.0°C while the volume expanded to .What is the final pressure in atm? A) 517 B) 0.681 C) 1.79 D) 3.21 E) none of the above .What is the final pressure in atm?


A) 517
B) 0.681
C) 1.79
D) 3.21
E) none of the above

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What is the final pressure (expressed in atm) of a 3.05 L system initially at What is the final pressure (expressed in atm) of a 3.05 L system initially at And That is compressed to a final volume of At A) 1.06 B) 1.60 C) 806 D) 860 E) none of the above And What is the final pressure (expressed in atm) of a 3.05 L system initially at And That is compressed to a final volume of At A) 1.06 B) 1.60 C) 806 D) 860 E) none of the above That is compressed to a final volume of What is the final pressure (expressed in atm) of a 3.05 L system initially at And That is compressed to a final volume of At A) 1.06 B) 1.60 C) 806 D) 860 E) none of the above At What is the final pressure (expressed in atm) of a 3.05 L system initially at And That is compressed to a final volume of At A) 1.06 B) 1.60 C) 806 D) 860 E) none of the above


A) 1.06
B) 1.60
C) 806
D) 860
E) none of the above

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If a mixture of gases contained 78% nitrogen at a pressure of If a mixture of gases contained 78% nitrogen at a pressure of And 22% carbon dioxide at ,what is the total pressure of the system? A) 1,329 atm B) 17.5 cm Hg C) 639 torr D) 1.75 atm E) none of the above And 22% carbon dioxide at If a mixture of gases contained 78% nitrogen at a pressure of And 22% carbon dioxide at ,what is the total pressure of the system? A) 1,329 atm B) 17.5 cm Hg C) 639 torr D) 1.75 atm E) none of the above ,what is the total pressure of the system?


A) 1,329 atm
B) 17.5 cm Hg
C) 639 torr
D) 1.75 atm
E) none of the above

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Which of the following statements is TRUE for gases? 1.The temperature of a gas is inversely proportional to its pressure. 2.The volume of a gas is directly proportional to the pressure in torr. 3.The pressure of a gas is due to collisions of the gas molecules.


A) 1 only
B) 2 only
C) 3 only
D) 1 and 2 only
E) 1 and 3 only

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1 torr is equal to:


A) 760 mm Hg.
B) 1 mm Hg.
C) 1 Pa.
D) 14.7 psi.
E) all of the above

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If the number of gas particles is halved,the volume of the gas will be halved given that the temperature and pressure do not change.

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What is the major component of the air we breathe?


A) nitrogen
B) oxygen
C) argon
D) carbon dioxide
E) smog

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If the column of mercury in a barometer drops to a lower reading,this means the measured pressure has decreased.

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A 5.00 liter balloon of gas at 25°C is cooled to 0°C.What is the new volume (liters) of the balloon?


A) 0 liters
B) 22.4 liters
C) 5.46 liters
D) 4.58 liters
E) none of the above

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Gas particles act independently of each other.

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Gases are a collection of particles in constant,unpredictable motion.

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What is the temperature (°C) of 2.48 moles of gas stored in a What is the temperature (°C) of 2.48 moles of gas stored in a Container at ? (R= 0.0821 L atm/ mol K) A) 302 B) 189 C) 29 D) -84 E) none of the above Container at What is the temperature (°C) of 2.48 moles of gas stored in a Container at ? (R= 0.0821 L atm/ mol K) A) 302 B) 189 C) 29 D) -84 E) none of the above ? (R= 0.0821 L atm/ mol K)


A) 302
B) 189
C) 29
D) -84
E) none of the above

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What is the proper form of the combined gas law?


A) What is the proper form of the combined gas law? A) = B) = C) = D) = E) none of the above
=
What is the proper form of the combined gas law? A) = B) = C) = D) = E) none of the above
B) What is the proper form of the combined gas law? A) = B) = C) = D) = E) none of the above
=
What is the proper form of the combined gas law? A) = B) = C) = D) = E) none of the above
C) What is the proper form of the combined gas law? A) = B) = C) = D) = E) none of the above
=
What is the proper form of the combined gas law? A) = B) = C) = D) = E) none of the above
D) What is the proper form of the combined gas law? A) = B) = C) = D) = E) none of the above
What is the proper form of the combined gas law? A) = B) = C) = D) = E) none of the above
What is the proper form of the combined gas law? A) = B) = C) = D) = E) none of the above
=
What is the proper form of the combined gas law? A) = B) = C) = D) = E) none of the above
What is the proper form of the combined gas law? A) = B) = C) = D) = E) none of the above
What is the proper form of the combined gas law? A) = B) = C) = D) = E) none of the above
E) none of the above

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The volume of a gas is independent of the temperature.

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For all gas law calculations,the temperature must be in kelvins.

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What is the initial temperature (°C) of a system that has the pressure decreased by 10 times while the volume increased by 5 times with a final temperature of What is the initial temperature (°C) of a system that has the pressure decreased by 10 times while the volume increased by 5 times with a final temperature of ? A) 27 B) 75 C) -198 D) 300 E) none of the above ?


A) 27
B) 75
C) -198
D) 300
E) none of the above

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Boyle's Law is expressed as:


A) V is proportional to Boyle's Law is expressed as: A) V is proportional to B) P is proportional to V C) V is proportional to D) V is proportional to T E) none of the above
B) P is proportional to V
C) V is proportional to Boyle's Law is expressed as: A) V is proportional to B) P is proportional to V C) V is proportional to D) V is proportional to T E) none of the above
D) V is proportional to T
E) none of the above

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Showing 81 - 100 of 122

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